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Finding the Fourth Proportional to 636,958.93, 878,902.96 and 364,974.49

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Solution

The fourth proportional to 636,958.93, 878,902.96 and 364,974.49 is: 503,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,958.93 : 878,902.96 = 364,974.49 : x
  2. Step 2: Convert to fraction form
    636,958.93/878,902.96 = 364,974.49/x
  3. Step 3: Cross multiply
    636,958.93x = 878,902.96 × 364,974.49
  4. Step 4: Simplify right side
    636,958.93x = 320,777,159,585.49
  5. Step 5: Solve for x
    x = 320,777,159,585.49/636,958.93
  6. Step 6: Final answer
    x = 503,607.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.